3131203020032 has 36 divisors (see below), whose sum is σ = 6261728058516. Its totient is φ = 1562707537920.

The previous prime is 3131203019953. The next prime is 3131203020041. The reversal of 3131203020032 is 2300203021313.

It can be written as a sum of positive squares in 2 ways, for example, as 1494809445376 + 1636393574656 = 1222624^2 + 1279216^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3131203019986 and 3131203020013.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11165813 + ... + 11442804.

Almost surely, 2^{3131203020032} is an apocalyptic number.

3131203020032 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

3131203020032 is a deficient number, since it is larger than the sum of its proper divisors (3130525038484).

3131203020032 is an equidigital number, since it uses as much as digits as its factorization.

3131203020032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22609174 (or 22609160 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 3131203020032 its reverse (2300203021313), we get a palindrome (5431406041345).

The spelling of 3131203020032 in words is "three trillion, one hundred thirty-one billion, two hundred three million, twenty thousand, thirty-two".